Look it up in the owners manual. Every symbol on the dash will be listed in that with a short explanation of its function.
Some of the lights are self-explanatory ... like a little thermometer would be for the water temp ... the oil can drip for the engine oil ... a circle with dashes around it could be the brake pad thinness alarm, etc etc.
My girlfriend told me the Lightning Bolt was lit on her New Beetle dash. I did not know what it was and could not look at it for several days. It turned out to be the Check Engine Light. It has a Lightning Bolt across an engine symbol
Brake pad warning light
This means that the minimum weight has been met on the passenger seat for the airbag to be turned on.
A paschal candle is lit
The manufacturer's web site might have copies of owner manuals. For example, Chevrolet has an owners center where you can access copies of their manuals.
If I am not mistaken that means you need to shift up a gear
A small yellow symbol lit up on my dashboard, is it the transmission light?
Its the goddess demeter's symbol
lit means something is glowing
A lit candle in a window.
Undoubtally you do not have an owners manual. I would think it would mean (Check Engine) That means you have a problem.
mon lit means my bed